/*!
 *      \file lcdrange.cpp
 *
 *      \brief Definitions for the LCDRange class.
 *
 *      Copyright 2008 Anish Mangal <anishmangal2002@gmail.com>
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *      MA 02110-1301, USA.
 *
 * 		Author(s)	:	Anish Mangal
 * 		Email(s)	:	anishmangal2002@gmail.com
 * 		Code Rev.	:	0.1(alph)
 *		Project		:	cannon_camp
 * 		Date		:	2008-05-07-09.22 (IST)
 * 		Changelog	:	<log file>
 */

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#include <QLCDNumber>
#include <QLabel>
#include <QSlider>
#include <QVBoxLayout>

#include "lcdrange.h"

LCDRange::LCDRange(QWidget *parent)
    : QWidget(parent)
{
    init();
}

LCDRange::LCDRange(const QString &text, QWidget *parent)
    : QWidget(parent)
{
    init();
    setText(text);
}

void LCDRange::init()
{
    QLCDNumber *lcd = new QLCDNumber(3);
    lcd->setSegmentStyle(QLCDNumber::Filled);
    lcd->setFixedSize(80,80);

    slider = new QSlider(Qt::Horizontal);
    slider->setRange(-99, 99);
    slider->setValue(0);
    label = new QLabel;
    label->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
    label->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);

    connect(slider, SIGNAL(valueChanged(int)),
            lcd, SLOT(display(int)));
    connect(slider, SIGNAL(valueChanged(int)),
            this, SIGNAL(valueChanged(int)));

    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(lcd);
    layout->addWidget(slider);
    layout->addWidget(label);
    setLayout(layout);

    setFocusProxy(slider);
}

int LCDRange::value() const
{
    return slider->value();
}

QString LCDRange::text() const
{
    return label->text();
}

void LCDRange::setValue(int value)
{
    slider->setValue(value);
}

void LCDRange::setRange(int minValue, int maxValue)
{
    if (minValue < -99 || maxValue > 99 || minValue > maxValue) {
        qWarning("LCDRange::setRange(%d, %d)\n"
                 "\tRange must be -99..99\n"
                 "\tand minValue must not be greater than maxValue",
                 minValue, maxValue);
        return;
    }
    slider->setRange(minValue, maxValue);
}

void LCDRange::setText(const QString &text)
{
    label->setText(text);
}
